Body and rotary table Al alloy, anodized.
Spindle steel, case-hardened.
Spindle bearing maintenance-free.

Radial play of rotation axis < 0.015 mm.
Axial play of rotation axis < 0.02 mm.
Repeat accuracy < 0.05°.
Spindle self-locking.

360° adjustment with no end stop.
10-graduation scale.
Transmission ratio:
21160-08 = 50:1
21160-12 = 55:1
21160-251 = 50:1

The rotary positioning stage can be easily configured to the required size using a modular design.

The item with order number 21160-251 can be clamped axially against the housing using two adjustable handles and secured against accidental movement. Torque M1 increases to 30 Nm with tightened adjustable handles with max. 2.5 Nm tightening torque per adjustable handle. Adjustable handles must be released before the knob is turned, otherwise there is a risk of damage to the transmission.

Items 21160-08 and 21160-12 can be clamped against the rotary stage housing using rotary stage clamps 21161-11 and thus secured against accidental movement.

1) Space required for adjustable handle.

All countersinks a per DIN 74-Bm (D6).